基本解释n.刀子名词knife的复数.同根派生 knives相关词英汉例句用作名词 (n.)The soldiers sharpened up their knives.战士们把刀磨得锋利。They ground the knife on a grindstone.他们在磨刀石上磨刀子。You must be very careful with this sharp knife.你用这把锋利的刀子必须很小心。knives更多例句